Home / 159,072.32-219,524.58-91,111.22

Finding the Fourth Proportional to 159,072.32, 219,524.58 and 91,111.22

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Solution

The fourth proportional to 159,072.32, 219,524.58 and 91,111.22 is: 125,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,072.32 : 219,524.58 = 91,111.22 : x
  2. Step 2: Convert to fraction form
    159,072.32/219,524.58 = 91,111.22/x
  3. Step 3: Cross multiply
    159,072.32x = 219,524.58 × 91,111.22
  4. Step 4: Simplify right side
    159,072.32x = 20,001,152,303.79
  5. Step 5: Solve for x
    x = 20,001,152,303.79/159,072.32
  6. Step 6: Final answer
    x = 125,736.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.